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authorDoug Ledford <dledford@redhat.com>2017-08-10 14:34:18 -0400
committerDoug Ledford <dledford@redhat.com>2017-08-10 14:34:18 -0400
commitd0d62c34fb746eaf68df5b3d6f4877c7d1e6320c (patch)
tree8ce9d1f42907ff6b9455b155ca47ebae143f9a1b /include
parent320438301b85038e995b5a40a24c43cbc0ed4909 (diff)
parentdb14dff1743e4cd3d840950ad8d735b8957aaf6a (diff)
Merge branch 'rdma-netlink' into k.o/merge-test
Conflicts: include/rdma/ib_verbs.h - Modified a function signature adjacent to a newly added function signature from a previous merge Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include')
-rw-r--r--include/rdma/ib_verbs.h8
-rw-r--r--include/rdma/rdma_netlink.h46
-rw-r--r--include/uapi/rdma/rdma_netlink.h84
3 files changed, 118 insertions, 20 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 5ca3ac1e9113..4db4ad56ace6 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -64,6 +64,8 @@
#include <linux/cgroup_rdma.h>
#include <uapi/rdma/ib_user_verbs.h>
+#define IB_FW_VERSION_NAME_MAX ETHTOOL_FWVERS_LEN
+
extern struct workqueue_struct *ib_wq;
extern struct workqueue_struct *ib_comp_wq;
@@ -2298,6 +2300,8 @@ struct ib_device {
struct rdmacg_device cg_device;
#endif
+ u32 index;
+
/**
* The following mandatory functions are used only at device
* registration. Keep functions such as these at the end of this
@@ -2305,7 +2309,7 @@ struct ib_device {
* in fast paths.
*/
int (*get_port_immutable)(struct ib_device *, u8, struct ib_port_immutable *);
- void (*get_dev_fw_str)(struct ib_device *, char *str, size_t str_len);
+ void (*get_dev_fw_str)(struct ib_device *, char *str);
const struct cpumask *(*get_vector_affinity)(struct ib_device *ibdev,
int comp_vector);
};
@@ -2343,7 +2347,7 @@ struct ib_client {
struct ib_device *ib_alloc_device(size_t size);
void ib_dealloc_device(struct ib_device *device);
-void ib_get_device_fw_str(struct ib_device *device, char *str, size_t str_len);
+void ib_get_device_fw_str(struct ib_device *device, char *str);
int ib_register_device(struct ib_device *device,
int (*port_callback)(struct ib_device *,
diff --git a/include/rdma/rdma_netlink.h b/include/rdma/rdma_netlink.h
index 348c102cb5f6..e25bf1988846 100644
--- a/include/rdma/rdma_netlink.h
+++ b/include/rdma/rdma_netlink.h
@@ -5,29 +5,31 @@
#include <linux/netlink.h>
#include <uapi/rdma/rdma_netlink.h>
-struct ibnl_client_cbs {
+struct rdma_nl_cbs {
+ int (*doit)(struct sk_buff *skb, struct nlmsghdr *nlh,
+ struct netlink_ext_ack *extack);
int (*dump)(struct sk_buff *skb, struct netlink_callback *nlcb);
- struct module *module;
+ u8 flags;
+};
+
+enum rdma_nl_flags {
+ /* Require CAP_NET_ADMIN */
+ RDMA_NL_ADMIN_PERM = 1 << 0,
};
/**
- * Add a a client to the list of IB netlink exporters.
+ * Register client in RDMA netlink.
* @index: Index of the added client
- * @nops: Number of supported ops by the added client.
* @cb_table: A table for op->callback
- *
- * Returns 0 on success or a negative error code.
*/
-int ibnl_add_client(int index, int nops,
- const struct ibnl_client_cbs cb_table[]);
+void rdma_nl_register(unsigned int index,
+ const struct rdma_nl_cbs cb_table[]);
/**
* Remove a client from IB netlink.
* @index: Index of the removed IB client.
- *
- * Returns 0 on success or a negative error code.
*/
-int ibnl_remove_client(int index);
+void rdma_nl_unregister(unsigned int index);
/**
* Put a new message in a supplied skb.
@@ -56,22 +58,32 @@ int ibnl_put_attr(struct sk_buff *skb, struct nlmsghdr *nlh,
/**
* Send the supplied skb to a specific userspace PID.
* @skb: The netlink skb
- * @nlh: Header of the netlink message to send
* @pid: Userspace netlink process ID
* Returns 0 on success or a negative error code.
*/
-int ibnl_unicast(struct sk_buff *skb, struct nlmsghdr *nlh,
- __u32 pid);
+int rdma_nl_unicast(struct sk_buff *skb, u32 pid);
+
+/**
+ * Send, with wait/1 retry, the supplied skb to a specific userspace PID.
+ * @skb: The netlink skb
+ * @pid: Userspace netlink process ID
+ * Returns 0 on success or a negative error code.
+ */
+int rdma_nl_unicast_wait(struct sk_buff *skb, __u32 pid);
/**
* Send the supplied skb to a netlink group.
* @skb: The netlink skb
- * @nlh: Header of the netlink message to send
* @group: Netlink group ID
* @flags: allocation flags
* Returns 0 on success or a negative error code.
*/
-int ibnl_multicast(struct sk_buff *skb, struct nlmsghdr *nlh,
- unsigned int group, gfp_t flags);
+int rdma_nl_multicast(struct sk_buff *skb, unsigned int group, gfp_t flags);
+/**
+ * Check if there are any listeners to the netlink group
+ * @group: the netlink group ID
+ * Returns 0 on success or a negative for no listeners.
+ */
+int rdma_nl_chk_listeners(unsigned int group);
#endif /* _RDMA_NETLINK_H */
diff --git a/include/uapi/rdma/rdma_netlink.h b/include/uapi/rdma/rdma_netlink.h
index 02fe8390c18f..861440a87e7c 100644
--- a/include/uapi/rdma/rdma_netlink.h
+++ b/include/uapi/rdma/rdma_netlink.h
@@ -8,7 +8,7 @@ enum {
RDMA_NL_IWCM,
RDMA_NL_RSVD,
RDMA_NL_LS, /* RDMA Local Services */
- RDMA_NL_I40IW,
+ RDMA_NL_NLDEV, /* RDMA device interface */
RDMA_NL_NUM_CLIENTS
};
@@ -222,4 +222,86 @@ struct rdma_nla_ls_gid {
__u8 gid[16];
};
+enum rdma_nldev_command {
+ RDMA_NLDEV_CMD_UNSPEC,
+
+ RDMA_NLDEV_CMD_GET, /* can dump */
+ RDMA_NLDEV_CMD_SET,
+ RDMA_NLDEV_CMD_NEW,
+ RDMA_NLDEV_CMD_DEL,
+
+ RDMA_NLDEV_CMD_PORT_GET, /* can dump */
+ RDMA_NLDEV_CMD_PORT_SET,
+ RDMA_NLDEV_CMD_PORT_NEW,
+ RDMA_NLDEV_CMD_PORT_DEL,
+
+ RDMA_NLDEV_NUM_OPS
+};
+
+enum rdma_nldev_attr {
+ /* don't change the order or add anything between, this is ABI! */
+ RDMA_NLDEV_ATTR_UNSPEC,
+
+ /* Identifier for ib_device */
+ RDMA_NLDEV_ATTR_DEV_INDEX, /* u32 */
+
+ RDMA_NLDEV_ATTR_DEV_NAME, /* string */
+ /*
+ * Device index together with port index are identifiers
+ * for port/link properties.
+ *
+ * For RDMA_NLDEV_CMD_GET commamnd, port index will return number
+ * of available ports in ib_device, while for port specific operations,
+ * it will be real port index as it appears in sysfs. Port index follows
+ * sysfs notation and starts from 1 for the first port.
+ */
+ RDMA_NLDEV_ATTR_PORT_INDEX, /* u32 */
+
+ /*
+ * Device and port capabilities
+ */
+ RDMA_NLDEV_ATTR_CAP_FLAGS, /* u64 */
+
+ /*
+ * FW version
+ */
+ RDMA_NLDEV_ATTR_FW_VERSION, /* string */
+
+ /*
+ * Node GUID (in host byte order) associated with the RDMA device.
+ */
+ RDMA_NLDEV_ATTR_NODE_GUID, /* u64 */
+
+ /*
+ * System image GUID (in host byte order) associated with
+ * this RDMA device and other devices which are part of a
+ * single system.
+ */
+ RDMA_NLDEV_ATTR_SYS_IMAGE_GUID, /* u64 */
+
+ /*
+ * Subnet prefix (in host byte order)
+ */
+ RDMA_NLDEV_ATTR_SUBNET_PREFIX, /* u64 */
+
+ /*
+ * Local Identifier (LID),
+ * According to IB specification, It is 16-bit address assigned
+ * by the Subnet Manager. Extended to be 32-bit for OmniPath users.
+ */
+ RDMA_NLDEV_ATTR_LID, /* u32 */
+ RDMA_NLDEV_ATTR_SM_LID, /* u32 */
+
+ /*
+ * LID mask control (LMC)
+ */
+ RDMA_NLDEV_ATTR_LMC, /* u8 */
+
+ RDMA_NLDEV_ATTR_PORT_STATE, /* u8 */
+ RDMA_NLDEV_ATTR_PORT_PHYS_STATE, /* u8 */
+
+ RDMA_NLDEV_ATTR_DEV_NODE_TYPE, /* u8 */
+
+ RDMA_NLDEV_ATTR_MAX
+};
#endif /* _UAPI_RDMA_NETLINK_H */

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